科研之友
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摘要
Infrared-based oil condition sensors provide valuable information about the condition of gears and thus permit long-term planning of maintenance work. Currently available systems are mainly based on non-dispersive methods providing information about one single oil condition parameter only. In many cases they are even adapted to only one type of oil. Miniaturized infrared spectrometers offer the possibility to simultaneously acquire a wealth of relevant oil condition parameters and are also applicable to a broad range of oil types. In this paper we present a method for selecting an appropriate spectral apparatus based on a multivariate calibration. We also show and discuss limitations of the respective spectral apparatus in terms of spectral bandwidth, resolution, and SNR on the quality of spectral data analysis. In addition, the realization and measurement results of a miniaturized infrared spectrometer are shown based on a linear variable filter (LVF) for gear oil monitoring of offshore wind turbine gearboxes.
- 出版日期2012
